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UNC/UNF Gr 2/5/8 Hex Bolts

Category: Prouct

Key words：

UNC hex bolts

UNF hex bolts

ANSI hex bolts

ASME hex bolts

ASTM hex bolts

We are committed to becoming the world's top fastening solutions provider, letting Chinese products enter world class, let Chengyi production become synonymous with quality. To this end we need perseverance. At the same time, we also shoulder the responsibility of the society and the expectations of the employees. In the future, we will become a respected enterprise.

Email us：admin@hbcy-fastener.com

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Name	Hex Bolts	Materials	Carbon Steel/Stainless Steel
Standards	ANSI ASTM ASME etc.	Strength level	Gr 2/5/8
Size	M3-M50	Surface finish	ZP\HDG\BLACK\Dacromet etc.
Length	15-500	Samples	Available

Poduct Standards

Screw Thread
d

3/8

1/2

5/8

3/4

7/8

1-1/8

1-1/4

1-3/8

d
d_s	max
	min
s	max
	min
e	max
	min
k	max
	min
r	max
	min
b	L≤6
	L＞6

0.3750	0.5000	0.6250	0.7500	0.8750	1.0000	1.1250	1.2500	1.3750
0.388	0.515	0.642	0.768	0.895	1.022	1.149	1.277	1.404
0.360	0.482	0.605	0.729	0.852	0.976	1.098	1.223	1.345
0.688	0.875	1.062	1.250	1.438	1.625	1.812	2.000	2.188
0.669	0.850	1.031	1.212	1.394	1.575	1.756	1.938	2.119
0.794	1.010	1.227	1.443	1.660	1.876	2.093	2.309	2.526
0.763	0.969	1.175	1.383	1.589	1.796	2.002	2.209	2.416
0.268	0.364	0.444	0.524	0.604	0.700	0.780	0.876	0.940
0.226	0.302	0.378	0.455	0.531	0.591	0.658	0.749	0.810
0.030	0.030	0.060	0.060	0.060	0.090	0.090	0.090	0.090
0.010	0.010	0.020	0.020	0.020	0.030	0.030	0.030	0.030
1.000	1.250	1.500	1.750	2.000	2.250	2.500	2.750	3.000
1.250	1.500	1.750	2.000	2.250	2.500	2.750	3.000	3.250

Screw Thread
d

1-1/2

1-5/8

1-3/4

1-7/8

2-1/4

2-1/2

2-3/4

d
d_s	max
	min
s	max
	min
e	max
	min
k	max
	min
r	max
	min
b	L≤6
	L＞6

1.5000	1.6250	1.7500	1.8750	2.0000	2.2500	2.5000	2.7500	3.0000
1.531	1.658	1.785	1.912	2.039	2.305	2.559	2.827	3.081
1.470	1.591	1.716	1.839	1.964	2.214	2.461	2.711	2.961
2.375	2.562	2.750	2.938	3.125	3.500	3.875	4.250	4.625
2.300	2.481	2.662	2.844	3.025	3.388	3.750	4.112	4.475
2.742	2.959	3.175	3.392	3.608	4.041	4.474	4.907	5.340
2.622	2.829	3.035	3.242	3.449	3.862	4.275	4.688	5.102
1.036	1.116	1.196	1.276	1.388	1.548	1.708	1.869	2.060
0.902	0.978	1.054	1.130	1.175	1.327	1.479	1.632	1.815
0.090	0.090	0.120	0.120	0.120	0.190	0.190	0.190	0.190
0.030	0.030	0.040	0.040	0.040	0.060	0.060	0.060	0.060
3.250	3.500	3.750	4.000	4.250	4.750	5.250	5.750	6.250
3.500	3.750	4.000	4.250	4.500	5.000	5.500	6.000	6.500

About Us

We are committed to become the world's top fastening solutions provider, let Chinese product enterworld class, let the Chengyi production become synonymous with quality. To this end we need perseverance. At the same time, we also shoulder the responsibility of the society and the expectations of theemployees. In the future, we will become a respected enterprise.

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Production Process

Exhibition/Partner Photos

Our export countries include Russia, South Korea, Britain, France, Germany, Italy, Canada, Mexico,Brazil, Argentina, Chile, Australia, Indonesia, Thailand, Singapore, Saudi Arabia, Syria, Egypt, Tanzania,Kenya and other countries. Our products will be spread all over the world!